Math, asked by spkhan, 1 year ago

calculate the rate of compound interest per annum ,so that the amount on ₹400for 2 years become ₹441

Answers

Answered by Robin0071
0
SOLUTION:-

given ,A = 441 ,P = 400, n= 2, find r=?

A= p[1+r/100]^n

= 441 = 400(101r/100)^2

= 441/400 = (101r/100)^2

= 101r = 100×(441/400)^1/2

= 101r = 100×21/20

= r = 5×21/100

r = 105/100

( r = 1.05%)ans





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